Viridian Emissary

a Scout deals combat damage — 353 cards in the game can cause this (Viridian Emissary is one).

1. Vaan, Street Thief — When Viridian Emissary deals combat damage, Vaan, Street Thief exiles a card from a library

a Phyrexian attacks — 495 cards in the game can cause this (Viridian Emissary is one).

1. Vulpine Harvester — When Viridian Emissary attacks, Vulpine Harvester brings a card back

a nontoken Phyrexian enters the battlefield — 496 cards in the game can cause this (Viridian Emissary is one).

1. Darksteel Splicer — When Viridian Emissary enters, Darksteel Splicer makes a token

a Phyrexian enters the battlefield — 524 cards in the game can cause this (Viridian Emissary is one).

1. Essence of Orthodoxy — When Viridian Emissary enters, Essence of Orthodoxy puts a counter on a permanent

an Elf attacks — 723 cards in the game can cause this (Viridian Emissary is one).

When Viridian Emissary attacks:

1. Celeborn the Wise — scries
2. Tyvar the Bellicose — grants deathtouch
3. Harald Unites the Elves — shrinks a creature by -1/-1
4. Arboreal Alliance — triggers

a nontoken Elf enters the battlefield — 728 cards in the game can cause this (Viridian Emissary is one).

1. Wirewood Hivemaster — When Viridian Emissary enters, Wirewood Hivemaster makes a token

an Elf enters the battlefield — 752 cards in the game can cause this (Viridian Emissary is one).

When Viridian Emissary enters:

1. Wolverine Riders — gains you its toughness life
2. Elvish Warmaster — makes a token
3. Elvish Vanguard — puts a +1/+1 counter on itself
4. Marwyn, the Nurturer — puts a +1/+1 counter on itself
5. Woodland Weavemaster — gets +1/+1
6. High Perfect Morcant — puts a counter on a permanent an opponent controls
7. Maralen, Fae Ascendant — exiles a card from an opponent's library

1 other card cares about it too. These are the ones with the most connections.

anything attacks — 17,934 cards in the game can cause this (Viridian Emissary is one).

When Viridian Emissary attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards
10. Toph, Earthbending Master — puts a counter on a permanent

115 other cards care about it too. These are the ones with the most connections.

a creature attacks — 17,934 cards in the game can cause this (Viridian Emissary is one).

When Viridian Emissary attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Total War — kills a creature

180 other cards care about it too. These are the ones with the most connections.

a creature blocks — 17,934 cards in the game can cause this (Viridian Emissary is one).

When Viridian Emissary blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Tide of War — sacrifices a creature
4. Dead-Iron Sledge — kills a creature
5. Dwindle — kills a creature

23 other cards care about it too. These are the ones with the most connections.

a nontoken creature attacks — 17,934 cards in the game can cause this (Viridian Emissary is one).

When Viridian Emissary attacks:

1. Mardu Ascendancy — makes a token
2. Basri Ket — makes a token
3. Militia's Pride — makes a token

a creature enters the battlefield — 19,800 cards in the game can cause this (Viridian Emissary is one).

When Viridian Emissary enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Ray Fillet, Wave Warrior — puts a counter on itself
3. The Neutrinos — gets +1/+0
4. Wingnut, Bat on the Belfry — grants flying, haste and menace
5. Aetherstorm Roc — puts a counter on a permanent you control
6. Raphael, Most Attitude — exiles a card from your library

303 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 26,499 cards in the game can cause this (Viridian Emissary is one).

1. Wan Shi Tong, Librarian — When Wan Shi Tong, Librarian enters thanks to Viridian Emissary, it puts X counters on a permanent
2. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Viridian Emissary enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself
3. Ivora, Insatiable Heir — When Ivora, Insatiable Heir enters thanks to Viridian Emissary, it makes a token
4. Path of Mettle // Metzali, Tower of Triumph — When Path of Mettle // Metzali, Tower of Triumph enters thanks to Viridian Emissary, it deals 1 damage
5. Dogmeat, Ever Loyal — When Dogmeat, Ever Loyal enters thanks to Viridian Emissary, it mills a card
6. The Earth King — When The Earth King enters thanks to Viridian Emissary, it makes a token
7. SP//dr, Piloted by Peni — When SP//dr, Piloted by Peni enters thanks to Viridian Emissary, it puts a counter on a creature
8. Mu Yanling, Wind Rider — When Mu Yanling, Wind Rider enters thanks to Viridian Emissary, it makes a token
9. The Rani — When The Rani enters thanks to Viridian Emissary, it makes a token
10. J. Jonah Jameson — When J. Jonah Jameson enters thanks to Viridian Emissary, it triggers

31 other cards care about it too. These are the ones with the most connections.